calcite ore processing

Uranium in Namibia - World Nuclear Association- calcite ore processing ,Uranium in Namibia (Updated May 2018) Namibia has two significant uranium mines capable of providing 10% of world mining output. A larger mine is coming into production.Geology, Prospecting and Exploration for Iron Ore Deposits ... · Geology, Prospecting and Exploration for Iron Ore Deposits. Iron has been known since antiquity. Iron is ubiquitous in the lithosphere as either a major constituent or in trace amounts.